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Woolley, Robert D DOCUMENT RESUME ED 206 328 ik 009 715 AUTHOR Wood, R. Kent: Woolley, Robert D. TITLE An Overview of Videodisc Technology and Some Potential Applications in the Library, Information, andInstuctional- Sciences. INSTITUTION- ERIC Clearinghouse on Information Resources, ib Syracuse, N.Y. SPONS AGENCY -National Inst. of Education (DREW), Washington, D.C. PUB DATE Dec 80 -CONTRACT. 400-77-0015 NOTE 37p. EDRS PRICE MT01/PCO2 Plus Postage. DESCRIPTORS Diagrams: Diffusion: *Educational Technology; Equipment,Manufacturers; Equipment Utilization; *Information Science; * Library Science: *Videodisd Recordings: *Video Equipment IDENTIFIERS Fault Tree Analysis ABSTRACT. This discussion of several ,of the issues and systems of videodisc technology as applied to the library, information, and instructional sciences is based upon the Utah State University Videodisc Innovation Projects. Descriptions of the major marketed videodisc systems, as well as the soon to be marketed, are given. A critique of the ABC/NEA Sdhooldisc Ptogram is also included. A 72-item list of references and selected bibliography isprovided, which includes references dealing with fault tree analysis (sometimes referred to as "fault free analysis") as a recommended tool to assist with the smoothing out of the diffusion process for videodiscS. Library, information, and instructional specialists are seen to be in a pogition to play a major role in that diffusion process. (Author/LLS) 10 *********************************************************************** * . Reproductions supplied by EDRS are the best that can be made from the original document. ***** ....... *********************************************************** U S DEPARTMENT OF HEALTH EDUCATION & WELFARE NATIONAL INSTITUTE OF EDUCATION THIS DOCUMENT riAS BEEN REPRO- DUCED EXACTLY AS RECEIVED FROM' THE PERSON OR OPC.ANIZATION ORIC.IN ATING IT POINTS OF VIEW OR OPINIONS STATED DO NOT NECESSARILY REPRE- SENT OFFICIAL NATIONAL INSTITUTE OF EDUCATION POSITION OR POLICY AN OVERVIEW OF VIDEODISC TECHNOLOGY SANDSOME POTENTIAL APPLICATIONS IN THE LIBRARY, NFORMATION, AND INSTRUCTIONAL SCIENCES by R. Kent Wood and Robert D. Woolley ERICInformtion Analysis Prpduct December 1980 ERIC Clearinghouse on Information Resources ' Syracuse University ti 116 Dr. R. Kent Wood received his master's degree in Librarianship from the University of Denver, an Educational Specialist Degree in Librarianship,. and his doctorate in Higher Education Administration (with emphasis in Library, Information, and Instructional Sciences) from trigham Young University.He is Professor of Instructional Media (Library Science and Instructional Systems Technology) and Director of the Videodisc Innovation Projects at Utah State University, Logan, Utah. 7 Mr. gliert D. Woolley received his master's degree in Instructional Media from Utah State University.Re is -Assistant Professor of Instructional Media, Systems Analyst for the Merrill Library and Learning Resources Program at USU, and servesas the Computer Specialist with, the Videodisc Innovation Projectsat Utah State University. In addition, he directs the Curriculum Materials Center. This publication was prepared with funding from "the National Institute of Education, U.S. Department of Edu- cation under contract no. NIE-400-77-0015. The opinions expressed in this report do not necess'arily refleCt the positions or policies of NIE or ED: 4 ABSTRACT This discussion 01 several of the issues and systems of videodisc technology as applied to the library, information, and instructional sciences is basQd upon the Utah State University Videodisc Innovation Projects and a paper delivered to the American Society for' Information Sciences by Dr. R. Kent Wood in Minneapolis, Minnesota, October 16, 1979, with updating in, the fall of 1980.DescriptiOns of the major marketed videodisc systems, As well as those soon to be marketed, are givei:. A critique of the ABC/NEA Schooldisc Program is a special feature. The 5- page "list of references and selected bibliography which is provided includes referenceS dealing with faulttree Analysis (sometimes referred to' as"faultfreeanalysis")as a recommended tool to assist 'with the smoothing out of the diffusion process for videodiscs.Library, information, and instructional specialists are seen to be in a position to play a major role in that diffusion process. /4 TABLE OF CONTENTS IntrodUction 1 Library and Information Sciences 1 Videodisc Systems 3 Optical Reflective Laser Systems 3 Optical Transmissive Laser Systems 8 w. Capacitance or Stylus Systems 10 Combined Optical Capacitance Systems 11 Videodisc Is Not a'Panacea 13 USU Center for Instructional Product Development 16 Revie'w of Selected Videodisc Litersature -18 ABC/NEA Schooldisc Program 21 o Proposed Fault Tree Analysis 23 Conclusion 25 References and Selected Bibliography 28 List of Figures 1. Media comparisond by formats 2' 2. Optical videodisc and media storage capacity 4 3.Optical reflective videodisc system diagram 6 4.Data storage on videodisc 8 5. Optical transmissive videodisc system diagram 9 6.Capacitance videodisc system diagram 10 7.Combined optical/capacitance videodisc system diagram -12 8. Summary of major videodisc systems 14 9.Videodisc Innovations Project and logo 18 10. NATUL Project Fault Tree Apex 24 11..,Swanson's 1964 projection compared with videodisc 25 J INTRODUCTION Professionals in the library, information, and instructional sciences have become I, somewhat awareof the videodisc/microcomputer systems entering the market during the latter part of .the decade 'of nib 1970's.Magnavision (P#ilips of North America) was the early entry into the market in December of 1978, with MCA. Discovision Associates (now a partnership of IBM and MCA Universal) entering the following year. Pioneer has been marketing its VP 1000 Laserdisc system since -artily 1980, and RCA has announced once again that it will enter the market in March 1981, rather than late 1980 as-previously announced. The many general questions received. by the authors by telephone and mail I. include letters from as far away as the People'sRepublic of China, with such requests as "send me all the informationyou have on videodisc," or, in many cases, "on microcomputers,i-or both.This Information Analysis. Product has been prepared for the ERIC Clearinghouse on Information Resources to provide a general introduction to this technology and its applications. More detailed information en specific topics will be furnished by a series of technical reports to be issued by the Utah State University Center for Instructional Development. Titles will include (1) Benchmark Data for the #7820 Discovision Associates Videodisc Player; (2) Pilot Language Documentation for the Special Education-and Military Education Projects; (3) An Instructional Design Model for Develo ing Interactive Microcom uter VideolisC Instruction; (4) Videodisc Premastering and Scripting Procedures; (5) Cbmputer Interface Docume;:tation; (6) Microcomputer Evaluations and Technical Specifications;(7)State-of-the-Art of Optical Disc Technology for Consumer and Educational Use; and (8) Cigteria for the ,`.hDe.elopment of an Educational/Industrial Videodisc Player. LIBRARY.AND INFORMAXION SCIEliCES Librarians are by natur% and role definition evaluators, selectors, acquirers, and organizers of information.Because of recent advances in technology, that role has been added to, and, in many instances, specialized functions have been assumed by information scientists. The scholarly definition of technology as organized scientific knowledge appliecrto resolve practical, problems fits in well with their tasks and roles. However, they should be aware that, although formats of information are manifesta- tions of. information /instructional technologies, machines and mechanization are not synonymous with technology. Machines and mechanization are -manifestations or ,spinzoffs of technological advancement. The formats of information (software/courseware) are descriptors or reflectors of points in time of the library/information chron-,logy.The shades of ancient clay tablets remain with us today in refined formats of microfiche, and the papyrus rolls from the old Egyptian temple libraries remain as microfilm and motion .3 pictures. The computer drums and discs are a metamorphosis of stone cylinders of the distant pattt. The optical videodisc is an omnibus medium capable of storing all other information formats Ic.novin to date, including the printed page (not taken directly from present books, but specially designed video book publishing), art prints, and static slides or the dynamic motion film or videotapes, as well as digitized or analog data. Media Comparisons by Formats BOOK Varied visual format with direct random access to information displayed Easily available at low expense for user/learner Readily reproduced at reasonable expense Limited interactivity and requires print literacy to use Lack of motion and sound, with a set level of user/learner dif ficulty Normally produced in one langua5., in each book Requires high user/learner motivation for pitxfuctive use FILM &TELEVISION' Visual format may vary with use of audio and motion cababilities Easily available with limited variety of programing to user/learn:I May display photography. print and other static /dynamic information combinations 0 Traditional paSSwe info«nahon system with limited user/learner control Unique contributions to learning process but limited in depth of instruction SCUM information presentation traditionally with
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